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COMMERCIALTESTING & ENGINEERING CO. <br />GENERAL OFFICES: 1919 SOUTH HIGHLAND AVE., SUITE216B, LOMBARD, ILLINOIS 60148 • TEL: 708-953-9300 FA%: 708-953-9300 <br /> <br />1908' <br />January 15, 1997 <br />KING COAL <br />P.O. BOX 2905 <br />Durango CO 81301 <br />Rind of sample FLOOR <br />Sample taken by KING COAL <br />Date received December 16, 1996 <br />Sample identification by <br />KING COAL <br />SAMPLH ID:FLOOR <br />N-16 CORfi "A" SEAM 1997 FEDERAL <br />LEASE MODIFICATION AREA. <br />Analysis report no. 72-349865 <br />C J <br />PARAMETER RESIILTS DNITS <br />paste, pH 5.21 s.u. <br />Conductivity 800 umho/cm <br />Total Combustible Solids 24.3 & <br />Forme of sulfur, Sulfate 0.01 ~ <br />Forme of sulfur, Pyritic 0.06 R <br />PARTICLE SIZE 6 CLAY SILT SAND <br /> 4.0 12.0 54.0 <br />Sodium Absorption Ratio 10.6 <br />Saturation Percent 38.0 <br />SOLIIBLB BLEMENTS ma/L <br />Calcium, Ca 8 <br />Magnesium, Mg 5 <br />Nitrate, N03 1.1 <br />Sodium, Na 153 <br />Boron, B ~ 0.3 <br />TOTAL METALS ua/c TOTAL METALS ua/g <br />Arsenic, As 2 Manganese, Mn 2 <br />Barium, Ba 69 Mercury, Hg c0.1 <br />Cadmium, Cd c0.5 Magnesium, Mg. 440 <br />Chromium, Cr 4 Molybdenum, Mo <5 <br />Copper, Cu 11 Selenium, Se 1 <br />Iron, Fe 810 Zinc, Zn 10 <br />Lead, Pb 16 <br />• c• of I.o,•.(. <br />Reepectlully 9u bmlded, F <br />COMMERCIAL TESTING 6 ENGINEERING CO. o °I <br />c ~Y .~p~.,~ ~ <br />Denver Leborel~/Sry CCCJJJ e <br />OVER 40 BRANCH LABORATORIES BTRATEOICALLV LOCATED IN PRINCIPAL COAL MINING AREAS, TIDEWATER AND GREAT LIKES PORTS, AND RIVER LOADING FACILITIES <br />5 <br />gel WetermerFed For Your Protlrcllon TERMS AND CONDITIONS ON REVERSE <br />Member o! the SOS Group ISaci61A GAn4rele de Surveillance) <br />PLEASE ADDRESS ALL CORRESPONDENCE TO: <br />4665 PARIS STREET <br />SUITE 8-200 <br />DENVER, CO 60239 <br />TEL: (303) 373772 <br />FA%: (303) 373791 <br />